/*
 * Copyright 2008 The Android Open Source Project
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "include/core/SkContourMeasure.h"
#include "include/core/SkPathMeasure.h"
#include "src/core/SkPathMeasurePriv.h"

SkPathMeasure::SkPathMeasure() {}

SkPathMeasure::SkPathMeasure(const SkPath &path, bool forceClosed, SkScalar resScale)
    : fIter(path, forceClosed, resScale)
{
    fContour = fIter.next();
}

SkPathMeasure::~SkPathMeasure() {}

void SkPathMeasure::setPath(const SkPath *path, bool forceClosed)
{
    fIter.reset(path ? *path : SkPath(), forceClosed);
    fContour = fIter.next();
}

SkScalar SkPathMeasure::getLength()
{
    return fContour ? fContour->length() : 0;
}

bool SkPathMeasure::getPosTan(SkScalar distance, SkPoint *position, SkVector *tangent)
{
    return fContour && fContour->getPosTan(distance, position, tangent);
}

bool SkPathMeasure::getMatrix(SkScalar distance, SkMatrix *matrix, MatrixFlags flags)
{
    return fContour && fContour->getMatrix(distance, matrix, (SkContourMeasure::MatrixFlags)flags);
}

bool SkPathMeasure::getSegment(SkScalar startD, SkScalar stopD, SkPath *dst, bool startWithMoveTo)
{
    return fContour && fContour->getSegment(startD, stopD, dst, startWithMoveTo);
}

bool SkPathMeasure::isClosed()
{
    return fContour && fContour->isClosed();
}

bool SkPathMeasure::nextContour()
{
    fContour = fIter.next();
    return !!fContour;
}

#ifdef SK_DEBUG
void SkPathMeasure::dump() {}
#endif

// ///

size_t SkPathMeasurePriv::CountSegments(const SkPathMeasure &meas)
{
    if (auto cntr = meas.currentMeasure()) {
        return cntr->fSegments.size();
    }
    return 0;
}
